
Ottawa, United States of America · Saturday 9 May 2026
The Starved Rock Country Marathon takes place in May across Ottawa's flat road course, making it a straightforward effort without significant climbing to manage. The entirely road-based surface means consistent footing and predictable pacing conditions throughout the 42.2km distance. With zero elevation gain despite the gently rolling character, this is a course built for chasing a strong time rather than navigating technical terrain or steep grades. The May timing offers reasonable weather conditions for distance running in the midwest, though you'll want to check the specific forecast closer to race day. If you're targeting a personal best or prefer races without elevation surprises, this one delivers a no-nonsense marathon experience.
Adjusted Time
3:49:40
Time difference: -10.3 minutes compared to a flat, road, temperate course.
Starved Rock Country Marathon is a full marathon held in Ottawa, United States of America, scheduled for Saturday 9 May 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for May, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 4°C to 19°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (35%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Starved Rock Country Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Starved Rock Country Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Starved Rock Country Marathon against other marathons to find the right race for your goals.
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